127457968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 278553600

約数和(自身を除く): 151095632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 89, 103, 158, 176, 178, 206, 316, 356, 412, 632, 712, 824, 869, 979, 1133, 1264, 1424, 1648, 1738, 1958, 2266, 3476, 3916, 4532, 6952, 7031, 7832, 8137, 9064, 9167, 13904, 14062, 15664, 16274, 18128, 18334, 28124, 32548, 36668, 56248, 65096, 73336, 77341, 89507, 100837, 112496, 130192, 146672, 154682, 179014, 201674, 309364, 358028, 403348, 618728, 716056, 724193, 806696, 1237456, 1432112, 1448386, 1613392, 2896772, 5793544, 7966123, 11587088, 15932246, 31864492, 63728984, 127457968]

約数ペア:

[(1, 127457968), (2, 63728984), (4, 31864492), (8, 15932246), (11, 11587088), (16, 7966123), (22, 5793544), (44, 2896772), (79, 1613392), (88, 1448386), (89, 1432112), (103, 1237456), (158, 806696), (176, 724193), (178, 716056), (206, 618728), (316, 403348), (356, 358028), (412, 309364), (632, 201674), (712, 179014), (824, 154682), (869, 146672), (979, 130192), (1133, 112496), (1264, 100837), (1424, 89507), (1648, 77341), (1738, 73336), (1958, 65096), (2266, 56248), (3476, 36668), (3916, 32548), (4532, 28124), (6952, 18334), (7031, 18128), (7832, 16274), (8137, 15664), (9064, 14062), (9167, 13904)]